by Prof. Dr. A. Syafii Ma'arif $5.00
by Anthony F. Chiffolo $4.00
by Ibnu Basyar $5.00
by Drs. Muhsin M.K. S.Ag, M.Sc $7.00
by T. Krispurwana Cahyadi, SJ $7.00
by K.H. Abdullah Gymnastiar $6.00